NewListener creates a new database connection dedicated to LISTEN / NOTIFY.

name should be set to a connection string to be used to establish the database connection (see section "Connection String Parameters" above).

minReconnectInterval controls the duration to wait before trying to re-establish the database connection after connection loss. After each consecutive failure this interval is doubled, until maxReconnectInterval is reached. Successfully completing the connection establishment procedure resets the interval back to minReconnectInterval.

The last parameter eventCallback can be set to a function which will be called by the Listener when the state of the underlying database connection changes. This callback will be called by the goroutine which dispatches the notifications over the Notify channel, so you should try to avoid doing potentially time-consuming operations from the callback.

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